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Painting CMC

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Carlos42, Mar 19, 2020.

  1. Mar 19, 2020 at 5:43 PM
    #1
    Carlos42

    Carlos42 [OP] Member

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    3inch lift 17” XD Addicts 285/70/17 BFG KO2 Camper shell
    So I just got My CMC and was wondering what everyone else did to paint the inside of the plate. I ended up just spraying a ton of paint in there to hope it covers all the bare metal, just don’t want to have to re do it due to rust down the road?
     
  2. Mar 19, 2020 at 5:50 PM
    #2
    GHOST SHIP

    GHOST SHIP hates you.

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    That's what I do to every CMC I've done so far, it's really your only option. You can't paint it beforehand because it'll burn off and/or contaminate the weld. There are usually enough access points/holes in the cab mount to get a fair amount of coverage of the inside. I've redone some CMCs and after cutting off the previous work you can tell they didn't even bother trying. Surface on the inside of the plate will turn into a more serious problem if you don't at least try to mitigate it.
     
  3. Mar 19, 2020 at 6:52 PM
    #3
    Carlos42

    Carlos42 [OP] Member

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    Yea I took some pictures to be able to see in and it looks like I pretty much covered it. I was just curious what others were doing. No one ever talks about it but seems spraying the life out of it is what everyone else is trying to do.

    66DAF684-C897-4B2F-9604-CB9000BE3DD1.jpg
    F44A6157-0FF3-40D1-8767-23619EA66150.jpg
     
  4. Mar 19, 2020 at 6:59 PM
    #4
    1taco2motos

    1taco2motos Well-Known Member

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  5. Mar 19, 2020 at 7:01 PM
    #5
    Carlos42

    Carlos42 [OP] Member

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    @1taco2motos its already welded on now but thanks. Maybe someone else will see that stuff and try it out
     
  6. Mar 19, 2020 at 7:04 PM
    #6
    1taco2motos

    1taco2motos Well-Known Member

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    If I end up having to do a cmc, I'll give it a try for sure. Still have a can on hand after painting the sliders with it.
     
  7. Mar 19, 2020 at 7:09 PM
    #7
    DaveInDenver

    DaveInDenver Not Actually in Denver

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  8. Mar 19, 2020 at 10:02 PM
    #8
    Torspd

    Torspd Tor-nication

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    1taco2motos and Carlos42 [OP] like this.
  9. Mar 20, 2020 at 5:38 AM
    #9
    DesertRatliff

    DesertRatliff Well-Known Member

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    Great info here fellas. I've been an amateur grinder...I mean...welder for 20 years now. I didn't know about either one of these products. I've got a Marlin Crawler cam tab kit I've been meaning to install and may as well do the CMC while I've got sparks flying. I will try out one of these products when I do. Thanks!
     
  10. Mar 20, 2020 at 11:47 AM
    #10
    Torspd

    Torspd Tor-nication

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    Do you have a MIG, TIG, or both? What AMP rating does your machine go to?

    The Steel-It can has 316ss in it. Have not read up on the 3M stuff yet.

    https://www.amazon.com/Steel-BLACK-...thane&qid=1584730224&sprefix=steel-it+&sr=8-4
     
  11. Mar 20, 2020 at 12:03 PM
    #11
    DaveInDenver

    DaveInDenver Not Actually in Denver

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    The 3M 05917 is basically zinc powder in an aerosol solvent. The intention I guess (I'm not a chemist so take with a grain of salt) is that the remaining coating and melted zinc in and on the weld is essentially galvanizing. I would guess the stainless stuff is similar in that it melts in alloying compounds while you're welding to make the weld corrosion resistant.
     
  12. Mar 20, 2020 at 1:12 PM
    #12
    DesertRatliff

    DesertRatliff Well-Known Member

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    I've got an old Miller 211 (not the new, updated one). It runs 110/220V and I get good penetration on .25" when I plug it in to the dryer plug!

    Been looking at a the multiprocess Esab Rebel 205 with AC/DC TIG capability to get better at it and build some exhaust parts, but have yet to plunk down on one.
     
  13. Mar 20, 2020 at 1:14 PM
    #13
    EatSleepTacos

    EatSleepTacos Well-Known Member

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    I just blast away with primer and paint. If you’re still worried about it, after it’s dry spray fluid film in there every once in awhile to help prevent rust.
     
    Carlos42 [OP] likes this.
  14. Mar 20, 2020 at 3:02 PM
    #14
    Torspd

    Torspd Tor-nication

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    I welded the kit on with the Miller Diversion 180. TIG only. Right at the 180 amp setting. Used 3/32" rod and 1/4" rod. 309.

    MIG would have been more maneuverable and easier over all, due to the wire feed.
     
  15. Mar 20, 2020 at 8:04 PM
    #15
    Babybluetaco

    Babybluetaco Well-Known Member

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    Some People really over think shit. Just paint it and move along
     
    Carlos42 [OP] likes this.

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